fs/xfs: Make DAX mount option a tri-state

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As agreed upon[1].  We make the dax mount option a tri-state.  '-o dax'
continues to operate the same.  We add 'always', 'never', and 'inode'
(default).

[1] https://lore.kernel.org/lkml/20200405061945.GA94792@iweiny-DESK2.sc.intel.com/

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

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Ira Weiny 2020-05-04 09:02:42 -07:00 • committed by Darrick J. Wong

parent 606723d982

commit 8d6c3446ec

2 changed files with 43 additions and 4 deletions

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fs/xfs/xfs_mount.h

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46

fs/xfs/xfs_super.c

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